Vibrator



FIG. 1 is an upper perspective view of a vibrator showing my new invention;

FIG. 2 is a lower perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a rear view thereof; and,

FIG. 8 is a front view thereof.

The broken lines shown in the drawings illustrate portions of the vibrator that form no part of the claimed design. 

CLAIM The ornamental design for a vibrator, as shown and described. 